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LOANS, ALLOWANCE FOR CREDIT LOSSES AND IMPAIRED LOANS - Change in the ALL by Loan Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Allowance for Loan Losses:
Beginning balance	$ 17,939
Charge-offs	(160)
Recoveries	611
Provision	(188)
Ending balance	22,908	$ 17,939
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		826
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		17,113
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process	1,460,792	1,416,135
Ending balance: individually evaluated for impairment		26,919
Ending balance: collectively evaluated for impairment		1,389,216
Originated loans
Allowance for Loan Losses:
Beginning balance	17,309	15,830
Charge-offs		(547)
Recoveries		161
Provision		1,865
Ending balance		17,309
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		1,272,943
Other acquired loans
Allowance for Loan Losses:
Beginning balance	630	1,083
Charge-offs		(120)
Recoveries		57
Provision		(390)
Ending balance		630
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		136,192
Acquired loans
Allowance for Loan Losses:
Beginning balance	630
Ending balance		630
Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		7,000
Commercial/Agricultural real estate
Allowance for Loan Losses:
Beginning balance	14,085
Charge-offs	(46)
Recoveries	489
Ending balance	18,784	14,085
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		519
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		13,566
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		1,125,279
Ending balance: individually evaluated for impairment		16,874
Ending balance: collectively evaluated for impairment		1,108,405
Commercial/Agricultural real estate | Originated loans
Allowance for Loan Losses:
Beginning balance	13,551	12,354
Charge-offs		(157)
Recoveries		74
Provision		1,280
Ending balance		13,551
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		1,017,529
Commercial/Agricultural real estate | Other acquired loans
Allowance for Loan Losses:
Beginning balance	534	856
Charge-offs		(48)
Recoveries		28
Provision		(302)
Ending balance		534
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		102,002
Commercial/Agricultural real estate | Acquired loans
Allowance for Loan Losses:
Beginning balance	534
Ending balance		534
Commercial/Agricultural real estate | Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		5,748
C&I/Agricultural operating
Allowance for Loan Losses:
Beginning balance	2,318
Charge-offs	0
Recoveries	47
Ending balance	1,105	2,318
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		249
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		2,069
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		164,819
Ending balance: individually evaluated for impairment		3,292
Ending balance: collectively evaluated for impairment		161,527
C&I/Agricultural operating | Originated loans
Allowance for Loan Losses:
Beginning balance	2,255	1,959
Charge-offs		(310)
Recoveries		35
Provision		571
Ending balance		2,255
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		150,239
C&I/Agricultural operating | Other acquired loans
Allowance for Loan Losses:
Beginning balance	63	69
Charge-offs		(36)
Recoveries		1
Provision		29
Ending balance		63
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		14,218
C&I/Agricultural operating | Acquired loans
Allowance for Loan Losses:
Beginning balance	63
Ending balance		63
C&I/Agricultural operating | Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		362
Residential mortgage
Allowance for Loan Losses:
Beginning balance	599
Charge-offs	(78)
Recoveries	42
Ending balance	2,744	599
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		48
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		551
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		108,651
Ending balance: individually evaluated for impairment		5,998
Ending balance: collectively evaluated for impairment		102,653
Residential mortgage | Originated loans
Allowance for Loan Losses:
Beginning balance	574	518
Charge-offs		(35)
Recoveries		2
Provision		89
Ending balance		574
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		88,045
Residential mortgage | Other acquired loans
Allowance for Loan Losses:
Beginning balance	25	130
Charge-offs		(33)
Recoveries		27
Provision		(99)
Ending balance		25
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		19,716
Residential mortgage | Acquired loans
Allowance for Loan Losses:
Beginning balance	25
Ending balance		25
Residential mortgage | Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		890
Consumer installment
Allowance for Loan Losses:
Beginning balance	129
Charge-offs	(36)
Recoveries	33
Ending balance	275	129
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		10
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		119
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		17,386
Ending balance: individually evaluated for impairment		755
Ending balance: collectively evaluated for impairment		16,631
Consumer installment | Originated loans
Allowance for Loan Losses:
Beginning balance	121	225
Charge-offs		(45)
Recoveries		50
Provision		(109)
Ending balance		121
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		17,130
Consumer installment | Other acquired loans
Allowance for Loan Losses:
Beginning balance	8	28
Charge-offs		(3)
Recoveries		1
Provision		(18)
Ending balance		8
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		256
Consumer installment | Acquired loans
Allowance for Loan Losses:
Beginning balance	8
Ending balance		8
Consumer installment | Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		0
Unallocated
Allowance for Loan Losses:
Beginning balance	808
Charge-offs	0
Recoveries	0
Ending balance	0	808
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment		0
Amount of allowance for loan losses arising from loans collectively evaluated for impairment		808
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		0
Ending balance: individually evaluated for impairment		0
Ending balance: collectively evaluated for impairment		0
Unallocated | Originated loans
Allowance for Loan Losses:
Beginning balance	808	774
Charge-offs		0
Recoveries		0
Provision		34
Ending balance		808
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		0
Unallocated | Other acquired loans
Allowance for Loan Losses:
Beginning balance	0	0
Charge-offs		0
Recoveries		0
Provision		0
Ending balance		0
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		0
Unallocated | Acquired loans
Allowance for Loan Losses:
Beginning balance	$ 0
Ending balance		0
Unallocated | Purchased credit-impaired loans
Loans Receivable:
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process		$ 0

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